Mato Grosso weather in September
September is a fair month to visit Mato Grosso: highs of 37°C (99°F) and about 34 mm (1.3 in) of rain on average. Nights average 22°C (72°F) and cloud cover 50% (NASA POWER, 2001–2025 averages). It is the 4th driest month of the year and the warmest. Compared with August, it is warmer and wetter; October brings highs of 36°C (96°F) and 115 mm (4.5 in) of rain.
Figures are long-term averages for Cuiabá, the largest city in Mato Grosso. See below for other places.
Is September a good time to visit Mato Grosso?
fair month Weather score 60/100.
September is a fair month in Mato Grosso. The weather is usually best in May–Jul.
Does it rain a lot in Mato Grosso in September?
No, it is usually dry: about 34 mm (1.3 in) falls in an average September. It is the 4th driest month of the year.
How warm is Mato Grosso in September?
Days average 37°C (99°F) and nights 22°C (72°F).
Mato Grosso weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 31°C (87°F) | 23°C (73°F) | 218 mm | 83% | least pleasant |
| February | 30°C (87°F) | 22°C (72°F) | 223 mm | 83% | least pleasant |
| March | 31°C (87°F) | 22°C (72°F) | 187 mm | 77% | least pleasant |
| April | 30°C (87°F) | 21°C (70°F) | 102 mm | 62% | fair |
| May | 30°C (85°F) | 19°C (66°F) | 48 mm | 50% | best |
| June | 31°C (87°F) | 18°C (64°F) | 9 mm | 31% | best |
| July | 32°C (90°F) | 17°C (63°F) | 11 mm | 25% | best |
| August | 35°C (96°F) | 19°C (67°F) | 15 mm | 28% | fair |
| September | 37°C (99°F) | 22°C (72°F) | 34 mm | 50% | fair |
| October | 36°C (96°F) | 23°C (74°F) | 115 mm | 73% | least pleasant |
| November | 33°C (92°F) | 23°C (73°F) | 169 mm | 77% | least pleasant |
| December | 31°C (89°F) | 23°C (73°F) | 183 mm | 82% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Mato Grosso in September
Weather can differ a lot within Mato Grosso: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Cuiabá | 37°C (99°F) | 22°C (72°F) | 34 mm | fair |
| Várzea Grande | 37°C (99°F) | 22°C (72°F) | 34 mm | fair |
| Rondonópolis | 37°C (98°F) | 21°C (71°F) | 40 mm | fair |
| Sinop | 36°C (97°F) | 23°C (73°F) | 53 mm | fair |
| Sorriso | 36°C (97°F) | 22°C (72°F) | 50 mm | fair |
| Tangará da Serra | 35°C (96°F) | 21°C (71°F) | 38 mm | fair |
| Lucas do Rio Verde | 36°C (96°F) | 22°C (71°F) | 49 mm | fair |
| Cáceres | 37°C (99°F) | 23°C (73°F) | 32 mm | least pleasant |
| Barra do Garças | 35°C (95°F) | 20°C (68°F) | 33 mm | fair |
| Nova Mutum | 35°C (95°F) | 21°C (71°F) | 45 mm | fair |
| Pontes e Lacerda | 35°C (96°F) | 22°C (71°F) | 32 mm | fair |
| Campo Verde | 33°C (92°F) | 19°C (67°F) | 41 mm | fair |